Cover - USD ($)	12 Months Ended
	Dec. 31, 2022	Mar. 28, 2023	Jun. 25, 2022
Cover [Abstract]
Entity Registrant Name	ENGlobal Corporation
Entity Central Index Key	0000933738
Document Type	10-K
Amendment Flag	false
Entity Voluntary Filers	No
Current Fiscal Year End Date	--12-31
Entity Well Known Seasoned Issuer	No
Entity Small Business	true
Entity Shell Company	false
Entity Emerging Growth Company	false
Entity Current Reporting Status	Yes
Document Period End Date	Dec. 31, 2022
Entity Filer Category	Non-accelerated Filer
Document Fiscal Period Focus	FY
Document Fiscal Year Focus	2022
Entity Common Stock Shares Outstanding		39,771,617
Entity Public Float			$ 27,931,814
Document Annual Report	false
Document Transition Report	true
Entity File Number	001-14217
Entity Incorporation State Country Code	NV
Entity Tax Identification Number	88-0322261
Entity Interactive Data Current	Yes
Icfr Auditor Attestation Flag	false
Entity Address Address Line 1	11740 Katy Fwy – Energy Tower III
Entity Address Address Line 2	11th floor
Entity Address City Or Town	Houston
Entity Address State Or Province	TX
Entity Address Postal Zip Code	77079
City Area Code	281
Local Phone Number	878-1000
Security 12b Title	Common Stock, $0.001 par value
Trading Symbol	ENG
Security Exchange Name	NASDAQ
Auditor Firm Id	659
Auditor Name	Moss Adams LLP
Auditor Location	Houston